Squeezed Vibrational States in Superfluid Helium
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arXiv
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| Format: | Preprint |
| Published: |
2026
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| _version_ | 1866914536377810944 |
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| author | Melnikovsky, Lev A. |
| author_facet | Melnikovsky, Lev A. |
| contents | Ultrafast birefringence oscillations observed in superfluid helium provide evidence for anisotropic quantum squeezing of quasiparticle pairs. The measured response is a superposition of contributions from all vibrational modes, with dominant contributions from rotons, maxons, and Pitaevskii's plateau. The nonzero initial phase follows naturally from multimode interference. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_05345 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Squeezed Vibrational States in Superfluid Helium Melnikovsky, Lev A. Other Condensed Matter Optics Quantum Physics Ultrafast birefringence oscillations observed in superfluid helium provide evidence for anisotropic quantum squeezing of quasiparticle pairs. The measured response is a superposition of contributions from all vibrational modes, with dominant contributions from rotons, maxons, and Pitaevskii's plateau. The nonzero initial phase follows naturally from multimode interference. |
| title | Squeezed Vibrational States in Superfluid Helium |
| topic | Other Condensed Matter Optics Quantum Physics |
| url | https://arxiv.org/abs/2605.05345 |